The 25-acre estate of Hall-of-Famer Cal Ripken Jr. is for sale. The $12.5 million Baltimore County property comes with a baseball diamond, training facilities and guesthouse. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The 25-acre estate of Hall-of-Famer Cal Ripken Jr. is for sale. The $12.5 million Baltimore County property comes with a baseball diamond, training facilities and guesthouse. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The formal dining room has hardwood floors and sits off the gourmet kitchen. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The estate features a gourmet kitchen with center island, off the formal dining room. A separate breakfast room sits nearby. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The estate features a separate breakfast room and a formal dining room. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The estate features six bedrooms. The master bedroom has a gas fireplace. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The main home has 10 full bathrooms. (Courtesy Monument Sotheby’s International Realty)

Courtesy Monument Sotheby's Inte

The 25-acre secluded estate comes with a guesthouse, cabana, six bedrooms and 15 full or half bathrooms. (Courtesy Monument Sotheby’s International Realty)

Cal Ripken Jr.’s Tufton Farms estate is now on the market for $12.5 million. The 25,000-square-foot custom house was built in 1985 and renovated in the 1990s. The home sits on 25 acres along with a small lake and a baseball diamond. (Courtesy Monument Sotheby’s International Realty)